Home / 12,243,630.40-18,364,862.40-4,155,812.80

Finding the Fourth Proportional to 12,243,630.40, 18,364,862.40 and 4,155,812.80

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Solution

The fourth proportional to 12,243,630.40, 18,364,862.40 and 4,155,812.80 is: 6,233,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243,630.40 : 18,364,862.40 = 4,155,812.80 : x
  2. Step 2: Convert to fraction form
    12,243,630.40/18,364,862.40 = 4,155,812.80/x
  3. Step 3: Cross multiply
    12,243,630.40x = 18,364,862.40 × 4,155,812.80
  4. Step 4: Simplify right side
    12,243,630.40x = 76,320,930,232,158.70
  5. Step 5: Solve for x
    x = 76,320,930,232,158.70/12,243,630.40
  6. Step 6: Final answer
    x = 6,233,521.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.